Modbus TCP/IP Server Chip – IS4350

$ 7.03

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The IS4350 is a chip that integrates a Modbus TCP/IP Slave stack. It features an internal memory of 500 Holding Registers, accessible by both a microcontroller (via I2C) and a Modbus Master device (e.g., PLC, computer, etc.). The goal of the IS4350 is to eliminate the engineering effort typically required to implement and validate Modbus TCP/IP communication. It offers a reliable, ready-to-use solution that helps reduce development time and speed up your time-to-market (TTM). How it Works? The chip provides two interfaces: An I2C interface for your microcontroller, FPGA, Arduino, Raspberry Pi, etc. ➜ This is where your system reads/writes Modbus data. A RMII to connect your preferred Ethnernet PHY transceiver. ➜ This is the fieldbus that connects to a PLC, computer, or machine. The internal memory is composed of 504 registers: – 500 Holding Registers for user data. – 4 Configuration Registers for communication settings. You can use the IS4350 in two main modes: As a Sensor → your microcontroller writes data to the chip via I2C. As an Actuator → your microcontroller reads data from the chip via I2C. As an Advanced Device → your microcontroller reads and writes data to and from the chip via I2C. ➡️ Just read/write the registers you need — no protocol stack required. Default Chip Settings Default Modbus Settings: Modbus Slave ID: 1 IP: DHCP Default I2C Settings: I2C Slave Address: 0x11 (fixed) I2C Speed: 100 kHz, 400 kHz, 1 MHz

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